发布时间:2019-09-05 07:33:58编辑:auto阅读(3568)
一、利用虚拟串口工具,将com1和com3串口连接起来
二、运行程序
import serial
from time import sleep
def recv(serial):
while True:
data = serial.read_all()
if data == '':
continue
else:
break
sleep(0.02)
return data
if __name__ == '__main__':
serial = serial.Serial('COM3',115200, timeout=0.5) #/dev/ttyUSB0
if serial.isOpen() :
print("open success")
else :
print("open failed")
while True:
str1 = input("请输入要发送到串口的话:")
a=str1+"\n"
#print(len(a))
serial.write((a).encode("gbk"))
sleep(0.1)
data =recv(serial)
if data != b'' :
print("receive : ",data.decode("gbk"))
三、打开串口调试工具,接受和发送数据
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